CN216870917U

CN216870917U - Lens assembly, monitoring device and engineering equipment

Info

Publication number: CN216870917U
Application number: CN202220132227.1U
Authority: CN
Inventors: 吴伟兵
Original assignee: Sany Automobile Manufacturing Co Ltd
Current assignee: Sany Automobile Manufacturing Co Ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-01
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to the technical field of engineering monitoring devices, in particular to a lens assembly, a monitoring device and engineering equipment. The camera lens subassembly includes camera lens body and focusing mechanism, and focusing mechanism is used for adjusting the focus of camera lens body, still includes: and the films are mutually overlapped and cover the surface of the lens body. According to the lens assembly of the embodiment of the utility model, at least two layers of transparent films are covered on the lens surface of the lens body, the films can effectively prevent pollutants in a working site from directly polluting the lens body, after the outermost film is polluted, the pollutants in the lens can be repeatedly and rapidly cleaned for many times only by tearing off the polluted outermost film, the cleanness of the lens body can be kept for a long time, meanwhile, the focal length of the lens body can be adjusted through the focusing mechanism, and the lens body is ensured not to be blurred.

Description

Lens assembly, monitoring device and engineering equipment

Technical Field

The utility model relates to the technical field of engineering monitoring devices, in particular to a lens assembly, a monitoring device and engineering equipment.

Background

In engineering operation, often need to monitor the situation of operation scene through monitoring device in real time, for example in concrete pump truck operation scene, often see through monitoring device (camera) discernment concrete pump truck material level, because the concrete is when the pump is beaten, the concrete spills, can cause monitoring device's camera contamination, behind the pollutant of lens surface adhesion of camera lens, and then can influence monitoring device's recognition effect to the concrete is stained with at monitoring device's camera lens, is difficult to the sanitization. Meanwhile, in an environment (coal mine and tunnel) with dust and liquid splashing, the problem of pollution of a monitoring device lens also exists, and the monitoring and identification effects are also influenced due to the fact that the monitoring and identification effects are not easy to clean.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lens assembly which can effectively prevent pollutants on a working site from directly polluting a lens body.

The utility model also provides a monitoring device.

The utility model also provides engineering equipment.

According to an embodiment of a first aspect of the present invention, there is provided a lens assembly including a lens body and a focus mechanism for adjusting a focal length of the lens body, further including:

and the films are mutually overlapped and cover the lens surface of the lens body.

According to the lens assembly of the embodiment of the utility model, at least two layers of transparent films are covered on the surface of the lens body, the films can effectively prevent pollutants on the operation site from directly polluting the lens body, when the outermost film is polluted, the pollutants on the lens can be repeatedly and quickly cleaned for many times only by tearing off the polluted outermost film, the cleanness of the lens body can be kept for a long time, meanwhile, the thickness of the lens body is changed due to the fact that the films on the layers are torn off, the focal length of the lens body can be adjusted through the focusing mechanism, the corresponding change of the focal length is generated, light penetrating through the films is not reduced, and the lens body can be ensured not to be blurred. When the lens assembly is used for engineering equipment (such as a concrete pump truck), the material level identification of the concrete pump truck is not influenced, and the normal operation of monitoring and identifying work is ensured.

According to one embodiment of the utility model, the lens body is provided with a shell, the edges of the films are respectively provided with a cover, and the covers of the films are mutually attached and are jointly sleeved on the shell.

According to one embodiment of the utility model, a fixing member is detachably mounted on the housing, and the shroud is mounted to the housing by the fixing member.

According to one embodiment of the utility model, the fixing member is an elastic collar which is sleeved on the shell and elastically clamps the layers of the cover covers inwards.

According to one embodiment of the utility model, the elastic collar is detachably provided with a quick-release joint.

According to an embodiment of the present invention, the edges of the films are connected with mutually independent guide pieces, or the edges of the covers are connected with mutually independent guide pieces.

According to one embodiment of the utility model, the films are respectively provided with a non-drying glue layer, and the films are mutually stuck and fixed through the non-drying glue layers.

According to an embodiment of a second aspect of the present invention, there is provided a monitoring apparatus including the lens assembly of the first aspect of the present invention.

The monitoring device according to the embodiment of the present invention includes the lens assembly, so that all effects of the lens assembly are achieved, and details are not described herein.

According to an embodiment of the third aspect of the present invention, there is provided engineering equipment including the monitoring device.

The engineering equipment of the embodiment of the utility model comprises the monitoring device, so that all effects of the monitoring device are achieved, and the details are not repeated here.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic side view of a first embodiment of the present invention;

FIG. 2 is a schematic side view of the first embodiment of the present invention;

FIG. 3 is a schematic side view of the second embodiment of the present invention;

FIG. 4 is a schematic front view of a second embodiment of the present invention;

FIG. 5 is a schematic side view of the second embodiment of the present invention;

FIG. 6 is a schematic side view of the second embodiment of the present invention;

FIG. 7 is a schematic side view of the second embodiment of the present invention;

fig. 8 is a schematic side view of the second embodiment of the present invention.

Reference numerals:

1: a lens body; 2: a film; 3: covering a cover;

4: an elastic collar; 5: a quick release joint; 6: a guide piece.

7: a convex lens; 8: a housing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1, a lens assembly includes a lens body 1, a focusing mechanism (not shown) for adjusting a focal length of the lens body 1, and at least two films 2, wherein the films 2 are stacked on each other and cover a surface of a lens (i.e., a convex lens 7 in fig. 1) of the lens body 1.

In this embodiment, cover two-layer at least transparent film 2 on the lens surface of camera lens body 1, utilize film 2 can effectively block the direct camera lens body of pollution of the on-the-spot pollutant of operation, receive the pollution back when outermost film 2, as long as tear the outermost film that pollutes down, just can relapse the pollutant of clearing up the camera lens fast many times, can keep the cleanness of camera lens body 1 for a long time, meanwhile, because lens thickness of camera lens body 1 that each layer film 2 leads to is torn and is changed, can adjust the focus of camera lens body 1 through focusing mechanism, let the focus produce corresponding change, just can not reduce light and pierce through the film, thereby can ensure that camera lens body 1 can not become fuzzy. When the lens assembly is used for engineering equipment (such as a concrete pump truck), the material level identification of the lens assembly on the concrete pump truck is not influenced, and the normal operation of monitoring and identifying work is facilitated.

In an embodiment, the focusing mechanism of this embodiment is an automatic focusing mechanism, an automatic focusing system of the prior art is arranged in the automatic focusing mechanism, when the surface of the convex lens 7 of the lens body 1 is pasted with multiple layers of transparent films to cause the thickness of the convex lens 7 to become thicker, the automatic focusing mechanism can correspondingly automatically adjust the focal length of the lens body 1, light penetrating through the films cannot be reduced, photographing cannot be blurred, and the monitoring and recognition effect of the lens body 1 is ensured.

As an optional specific structure of the present embodiment, the number of the thin films 2 is 10 to 50, and in the present embodiment, the number of the thin films 2 is selected to be 20 to 30. Cover on the convex lens 7 surface of lens body 1 and paste 20 layers ~ 30 layers of transparent film 2, can avoid excessively increasing the thickness of convex lens 7 on the one hand, let the focus of lens body 1 be difficult to adjust, on the other hand can use repeatedly 20 ~ 30 times, can keep lens body 1's clean, convenient to use for a longer time.

As an optional specific structure of this embodiment, the films 2 are covered with non-drying adhesive layers (not shown), and the films 2 are adhered and fixed to each other through the non-drying adhesive layers. The adhesive layer can be conveniently and fixedly adhered to each layer of thin film, and meanwhile, each layer of thin film can be conveniently and quickly torn off, so that the adhesive tape is more convenient to use.

As an optional specific structure of this embodiment, as shown in fig. 2, the edges of the films 2 are respectively connected with the guide pieces 6 that are independent of each other, so when one of the films 2 needs to be torn off, the corresponding guide piece 6 can be firstly clamped by fingers, and then the outermost film is torn off along the strip, which is convenient for field use.

Example two

As shown in fig. 3 to 4, the present embodiment is similar to the present embodiment, and is different in that a cover 3 is formed on the edge of each layer of film 2, and the covers 3 of each layer of film 2 are attached to each other and are sleeved on the housing 8 of the lens body 1.

Through utilizing the shroud 3 to cup joint on shell 8, can let each layer film 2 set up on camera lens body 1 more firmly, can avoid taking off because of the 2 pine of the film that the maloperation leads to, when film 2 is torn to needs, as long as through tearing corresponding shroud 3 alright tear outer film 2 with the company.

As an alternative specific structure to this embodiment, as shown in fig. 5, a fixing member (refer to the elastic collar 4 in fig. 5) is detachably mounted on the housing 8 of the lens body 1, and the boot 3 is fixed on the housing 8 of the lens body 1 by the fixing member, so that the fixation of the boot 3 can be facilitated.

In one embodiment, the fixing member is an elastic collar 4, and the elastic collar 4 is sleeved on the shell of the lens body 1 and elastically clamps the layers of the shrouds 3 inwards. Utilize the elasticity lantern ring 4 to press from both sides tight each layer of dustcoat 3, can avoid each layer of dustcoat 3 outwards to turn over to the convenient dismantlement of elasticity lantern ring 4 also.

In one embodiment, when the cover 3 and the film 2 need to be torn off, the clamping force of the elastic collar 4 on each layer of the cover 3 can be quickly released by only stretching the elastic collar 4 with fingers, so that the outer cover 3 and the film 2 can be torn off quickly. In another embodiment, as an alternative specific structure to this embodiment, as shown in fig. 6, a quick-release joint 5 is detachably provided on the elastic collar 4, and both ends of the elastic collar 4 are detachably connected to each other by the quick-release joint 5. When elastic sleeve ring 4 is unpack apart to needs, as long as loosen two joints of quick detach joint 4, alright in order to break off elastic sleeve ring 4, loosen elastic sleeve ring 4 to the clamp force of each layer shroud 3 conveniently, it is very convenient to dismantle, when each layer shroud 3 is pressed from both sides tightly again to needs, as long as stimulate elastic sleeve ring 4's both ends and make quick detach joint 5 two connect fixed butt joints, just can let elastic sleeve ring 4 elastically press from both sides tight each layer shroud 3 again, it is more simple and easy convenient to operate. Wherein, when the cover 3 is taken and put through the dismouting realization of quick detach joint 5, the mounting also can not have elasticity, also the mounting can adopt the structural style of nonelastic lantern ring this moment.

Optionally, the elastic collar 4 of this embodiment is a rubber band, which is low in cost and beneficial to reducing cost.

As an alternative specific configuration to this embodiment, as shown in fig. 7, the cross-sectional shape of the elastic collar 4 is flat, and a flat surface on the inner side of the elastic collar 4 is fitted to the outer wall of the mantle 3. Thereby increasing the contact area of the elastic lantern ring 4 and the mantle 3, clamping the mantle 3 more effectively and further effectively avoiding outward rolling of each layer of mantle 3.

As an alternative specific structure to this embodiment, as shown in fig. 8, the guide pieces 6 independent from each other are connected to the edges of each layer of the shroud 3. Therefore, when one layer of the cover 3 and the film 2 need to be torn off, the corresponding guide sheet 6 can be clamped by fingers at first, and then the outermost cover 3 is torn off along the belt, so that the field use is convenient.

Based on the above, the present embodiment further provides a monitoring device, which includes the lens assembly of the present embodiment. Wherein the monitoring device is generally referred to as a camera.

Based on the above, the present embodiment further provides an engineering device, which includes the above-mentioned monitoring apparatus, and the monitoring apparatus includes the above-mentioned lens assembly.

In one embodiment, the construction equipment is a concrete pump truck, and the monitoring device is mounted adjacent to the concrete hopper. Since the area near the concrete hopper of the engineering equipment is easily stained with splashed concrete, the monitoring device with the film 2 can help to prevent the splashed concrete from the concrete hopper from directly polluting the lens body 1. Specifically, by tearing off the film 2, the contaminants of the lens can be repeatedly and rapidly cleaned.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The lens assembly includes a lens body (1) and a focusing mechanism for adjusting a focal length of the lens body (1), and is characterized by further including:

the lens comprises at least two layers of films (2), wherein the films (2) are mutually overlapped and cover the surface of the lens body (1).

2. The lens assembly of claim 1, wherein the lens body (1) is provided with a shell (8), the edges of each layer of the films (2) are respectively provided with a cover (3), and the covers (3) of each layer of the films (2) are mutually attached and are jointly sleeved on the shell (8).

3. The lens assembly of claim 2, wherein a fixing member is detachably mounted on the housing (8), and the shroud (3) is mounted to the housing (8) by the fixing member.

4. The lens assembly of claim 3, wherein the fixing member is an elastic collar (4), and the elastic collar (4) is sleeved on the outer shell (8) and elastically clamps the layers of the cover (3) inwards.

5. The lens assembly of claim 4, characterized in that the elastic collar (4) is detachably provided with a quick release joint (5).

6. The lens assembly of any one of claims 2 to 5, wherein the film (2) has mutually independent guide tabs (6) attached to its edges, or the shroud (3) has mutually independent guide tabs (6) attached to its edges.

7. The lens assembly of any one of claims 1 to 5, wherein a non-drying adhesive layer is respectively arranged between each layer of the films (2), and each layer of the films (2) are respectively adhered and fixed with each other through the non-drying adhesive layer.

8. The lens arrangement as claimed in any one of claims 1 to 5, characterized in that the number of said membranes (2) is comprised between 10 and 50 layers.

9. A monitoring device comprising the lens assembly as claimed in any one of claims 1 to 8.

10. An engineering plant, characterized in that it comprises a monitoring device according to claim 9.